#0A1729 color
The hex color #0A1729 is a very dark, moderate azure.
In the RGB color model it is made of 3.9% red, 9% green and 16.1% blue (10, 23, 41).
Its hue angle is 215°, with 61% saturation and 10% lightness. For print, the CMYK equivalent is 76% cyan, 44% magenta, 0% yellow and 84% black.
The closest named color is Trapped Darkness (#0E1D32), a difference of 2.2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.99:1).
#0A1729 color codes
| HEX | #0A1729 | |
|---|---|---|
| RGB | rgb(10, 23, 41) | |
| RGB percent | rgb(3.9%, 9%, 16.1%) | |
| HSL | hsl(215, 61%, 10%) | |
| HSV / HSB | hsv(215, 76%, 16%) | |
| CMYK | cmyk(76%, 44%, 0%, 84%) | |
| CIE LAB | lab(7.56, 1.47, -13.97) | |
| CIE LCH | lch(7.56, 14.05, 275.99) | |
| CIE XYZ | xyz(0.832, 0.837, 2.215) | |
| Decimal | 661289 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #0A1729, based on their position on the color wheel.
Complementary
The color opposite on the color wheel (180°). Strongest contrast.
Analogous
Neighbors 30° either side. Calm, natural combinations.
Split complementary
The two colors next to the complement (150° and 210°).
Triadic
Three colors evenly spaced, 120° apart.
Tetradic (square)
Four colors 90° apart.
Shades, tints and tones
Shades (darker, mixed with black)
Tints (lighter, mixed with white)
Tones (mixed with gray)
Contrast and accessibility
| Text on #0A1729 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.17:1 | Fail | Fail | Fail |
| Sample text | 17.99:1 | Pass | Pass | Pass |
| #0A1729 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.99:1 | Pass | Pass | Pass |
| Sample text | 1.17:1 | Fail | Fail | Fail |
WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.
Color blindness simulation
How #0A1729 looks to people with the most common types of color vision deficiency.
#0f182aProtanopia
no red cones#0b1529Deuteranopia
no green cones#001b1eTritanopia
no blue cones#171717Achromatopsia
no color vision
CSS examples
.background { background-color: #0a1729; }
.text { color: #0a1729; }
.border { border: 2px solid #0a1729; }
.transparent { background-color: rgb(10 23 41 / 50%); }
.gradient { background: linear-gradient(to right, #0a1729, #0d0a29); }
Similar colors
#0e1d32Trapped Darkness#102030The Count’s Black#161e34Sombre Night#050d25Void#001b2eOxford by Night#011c39Naval Night#1e2433Moonless Mystery#1b2431Dark
Closest common color name: Oxford Blue.
Questions
- What color is #0A1729?
- #0A1729 is a very dark, moderate azure, closest to the named color Trapped Darkness. It belongs to the black family of colors.
- What is the RGB value of #0A1729?
- The RGB value is 10, 23, 41: 10 red, 23 green and 41 blue on a 0 to 255 scale.
- What is the complementary color of #0A1729?
- The complementary color is #291C0A, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #0A1729?
- White text. Black text has a contrast ratio of 1.17:1 and white text 17.99:1. WCAG asks for at least 4.5:1 for normal text.